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liraira [26]
4 years ago
13

Express the ratio below in its simplest form. 3 1 2 : 4.5

Mathematics
1 answer:
cupoosta [38]4 years ago
8 0

Answer:

69.3

Step-by-step explanation:

Divide both sides by 4.5

312/4.5 : 4.5/4.5

69.3 : 1

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A battery has enough energy to operate eight toy bears for 21 hours. For how long could the battery operate 15 toy bears?
il63 [147K]

Answer:

28 hours for 15 toy bears

Step-by-step explanation:

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8 0
4 years ago
Someone please help me.
Alexandra [31]

Answer:

y=mx +b  

slope intercept form...

B = y-intercept...

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Step-by-step explanation:

5 0
3 years ago
Solve for x <br>3(x - 2) = 6x - 12<br>​
nalin [4]

Answer:

The answer is 2

Step-by-step explanation:

Here's how I got it:

3(x - 2) = 6x - 12

Multiply 3 times x and 3 times 2, this is what you would get

3x - 6 = 6x - 12

Then, subtract the lowest x with the bigger X, this way you would have x on one side:

3x - 6 = 6x - 12

-3x        -3x

This is what you should have after this:

-6 = 3x - 12

Now, to get the variable (letter that represents a number) by itself, you have to add 12 to both sides like this:

-6 = 3x - 12

+12        +12

You would get this:

6 = 3x

Finally, you have to get x by itself, so you have to divide 3 on both sides like this

6/3 = 3/3 x

That's why, your answer is 2

5 0
3 years ago
Please help me simplify the expression and please show work!!! &lt;3
gizmo_the_mogwai [7]

Step-by-step explanation:

\frac{x + 4}{3 {x}^{2}   - 12x - 96}  =  \frac{x + 4}{3( {x}^{2} - 4x - 32) }  =  \frac{x + 4}{3(x - 8)(x + 4)}

=  \frac{1}{3(x - 8)}  =  \frac{1}{3x - 24}

8 0
3 years ago
25b +15b combine like terms
natulia [17]

Answer:

40b

Step-by-step explanation:

25 + 15 = 40

4 0
3 years ago
Read 2 more answers
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